TextFragmentOptions.AllowExtendingDocumentRange Property

Specifies whether or not a document range may be extended to include the entire field instead of only part of a field.

Namespace: DevExpress.XtraRichEdit.API.Native.Implementation

Assembly: DevExpress.RichEdit.v19.1.Core.dll

Declaration

C#

public bool AllowExtendingDocumentRange { get; set; }

VB.NET

Public Property AllowExtendingDocumentRange As Boolean

Property Value

Type	Description
Boolean	true to permit extending the document range; otherwise false.

Example

This code snippet finds the first table of contents which is built upon Heading styles using the TOC field and converts it to plain text paragraph by paragraph. The SubDocument.GetText method overload is used for this purpose. It allows you to set the TextFragmentOptions.AllowExtendingDocumentRange option to false to not include the entire TOC when exporting the first paragraph.

Note

A complete sample project is available at https://github.com/DevExpress-Examples/winforms-richedit-document-api-e5219

Export.vb

document.LoadDocument("SampleTOC.docx", DocumentFormat.OpenXml)
Dim plainText As String = String.Empty

For Each item As Field In document.Fields
    Dim fieldCode As String = document.GetText(item.CodeRange)
    Dim fieldParts() As String = fieldCode.Split(" "c)
    If fieldParts(0).Trim() = "TOC" AndAlso fieldParts(1).Trim() = "\h" Then
        Dim options As New DevExpress.XtraRichEdit.API.Native.Implementation.TextFragmentOptions()
        options.AllowExtendingDocumentRange = False
        For Each par As Paragraph In document.Paragraphs.Get(item.ResultRange)
            plainText &= document.GetText(par.Range, options)
            plainText &= Environment.NewLine
        Next par
    End If
Next item

DevExpress.XtraEditors.XtraMessageBox.SmartTextWrap = False
DevExpress.XtraEditors.XtraMessageBox.Show(plainText)

Export.cs

document.LoadDocument("SampleTOC.docx", DocumentFormat.OpenXml);
string plainText = String.Empty;

foreach (Field item in document.Fields) {
    string fieldCode = document.GetText(item.CodeRange);
    string[] fieldParts = fieldCode.Split(' ');
    if (fieldParts[0].Trim() == "TOC" && fieldParts[1].Trim() == "\\h") {
        DevExpress.XtraRichEdit.API.Native.Implementation.TextFragmentOptions options = 
            new DevExpress.XtraRichEdit.API.Native.Implementation.TextFragmentOptions();
        options.AllowExtendingDocumentRange = false;
        foreach (Paragraph par in document.Paragraphs.Get(item.ResultRange)) {
            plainText += document.GetText(par.Range, options);
            plainText += Environment.NewLine;
        }
    }
}

DevExpress.XtraEditors.XtraMessageBox.SmartTextWrap = false;
DevExpress.XtraEditors.XtraMessageBox.Show(plainText);

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the AllowExtendingDocumentRange property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

winforms-richedit-document-api-e5219/CS/RichEditAPISample/CodeExamples/Export.cs#L108

    new DevExpress.XtraRichEdit.API.Native.Implementation.TextFragmentOptions();
options.AllowExtendingDocumentRange = false;
foreach (Paragraph par in document.Paragraphs.Get(item.ResultRange)) {

VB.NET

winforms-richedit-document-api-e5219/VB/RichEditAPISample/CodeExamples/Export.vb#L100

Dim options As New DevExpress.XtraRichEdit.API.Native.Implementation.TextFragmentOptions()
options.AllowExtendingDocumentRange = False
For Each par As Paragraph In document.Paragraphs.Get(item.ResultRange)